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所在平台: Udemy |
课程主页: https://www.udemy.com/course/introduction-to-material-science-and-metallurgy/
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课程名称：10小时掌握材料科学 课程概述：本课程提供材料科学与冶金学的简介，涵盖材料及其性质的研究，以及提取和精炼金属的过程。课程内容包括材料科学的多个方面，如晶体结构、机械性能、相变及失效。此外，还探讨冶金原理，包括合金设计、热处理和金属加工技术。 课程亮点： - 探索材料科学和冶金学的基本概念 - 理解不同材料的结构和性质 - 学习各种热处理工艺 - 深入了解冶金原理和技术 - 发现材料在各个行业中的作用 学习成果： 1. 获得晶体学原理的扎实理解 2. 考察金属结构并理解FCC和HCP等结构 3. 学习晶体中的各种缺陷 4. 理解热处理原理和相图 5. 理解材料的机械行为 模块内容： - 模块一：原子结构的早期和当前发展、主要键的特性（共价键、离子键和金属键）、基于原子结合的性质、晶体学（SC、BCC、FCC、HCP结构）、塑性变形的模式等。 - 模块二：晶体缺陷分类、位错的作用、表面缺陷对裂纹起始的影响、扩散等。 - 模块三：相图的需求、合金分类、铁-碳平衡图的详细讨论、热处理原理及应用。 - 模块四：强化机制、冷加工和热加工、合金钢的性质影响等。 - 模块五：疲劳、蠕变、超塑性、复合材料和其他材料的需求、性质及应用。 通过本课程，学员将全面掌握材料科学与冶金的基础知识，适用于多个工程领域。
Description:This course provides an introduction to Material Science and Metallurgy, which encompasses the study of materials and their properties, as well as the processes involved in extracting and refining metals. The course covers various aspects of material science, such as crystal structures, mechanical properties, phase transformations, and failure. Additionally, it explores metallurgy principles, including alloy design, heat treatment, and metal processing techniques.Key Highlights:Explore the fundamental concepts of material science and metallurgyUnderstand the structure and properties of different materialsLearn about the various heat treatmnt processesGain insight into metallurgy principles and techniquesDiscover the role of materials in various industriesWhat you will learn:Learning Outcome 1Acquire a solid understanding of the principles of crystallographyLearning Outcome 2Examine the strucures of metals and understand the FCC,HCP like structuresLearning Outcome 3Learn about the various defects in crystalsLearning Outcome 4Understand the principles of heat treatment and phase diagramsLearning Outcome 5Comprehend the mehanical behavious of materialsMODULE - 1Earlier and present development of atomic structure - Primary bonds: - characteristics of covalent, ionic and metallic bond - properties based on atomic bonding: - Secondary bonds: - classification, application. (Brief review only). Crystallography: - SC, BCC, FCC, HCP structures, APF - theoretical density simple problems - Miller Indices: - crystal plane and direction - Modes of plastic deformation: - Slip and twinning -Schmid's law - Crystallization: Effects of grain size, Hall - Petch theory, simple problems. MODULE - II Classification of crystal imperfections - forest of dislocation, role of surface defects on crack initiation- Burgers vector -Frank Read source - Correlation of dislocation density with strength and nano concept - high and low angle grain boundaries- driving force for grain growth and applications - Polishing and etching - X - ray diffraction, simple problems -SEM and TEM - Diffusion in solids, fick's laws, mechanisms, applications of diffusion in mechanical engineering, simple problems.MODULE - III Phase diagrams: - need of alloying - classification of alloys - Hume Rothery`s rule - equilibrium diagram of common types of binary systems: five types - Coring - lever rule and Gibb`s phase rule - Reactions- Detailed discussion on Iron-Carbon equilibrium diagram with microstructure and properties -Heat treatment: - TTT, CCT diagram, applications - Tempering- Hardenability, Jominy end quench test, applications- Surface hardening methods. MODULE - IV Strengthening mechanisms - cold and hot working - alloy steels: how alloying elements affecting properties of steel - nickel steels - chromium steels - high speed steels -cast irons - principal non ferrous alloys. MODULE - V Fatigue: - creep -DBTT - super plasticity - need, properties and applications of composites, super alloy, intermetallics, maraging steel, Titanium - Ceramics:- structures, applications.
